It's pretty nice!
I like the graphic, there are a lot of details, lighting, moving camera or foreground parallaxing and it all looks alive that way.
The character is funny, why does he not have hands when is he standing?
Puzzles were good, but it was really short, so i can't tell much.
one thing i've noticed, after i tumbled down the hammer, the hook was still active as hammer ( the character was still trying to reach it )
I think, that it's really good for first game!
Especially +1 for the art style.